
17 May
2010
17 May
'10
10:53 a.m.
On 17 mayo, 04:00, Ivan Miljenovic
On 17 May 2010 12:56, Abby Henríquez Tejera
wrote: [...] There would then be something like: instance (Show a) => Show [a] where show = showList
So, depending on the type used, it will either use the special ".." method (for String = [Char]) or the default one (or another special one if another data type overrides the default implementation for Show).
Seehttp://book.realworldhaskell.org/read/using-typeclasses.htmlfor more information.
I had already read the RWH chapter, but still didn't understand it, but now (preparing to answer you why I didn't «see» it), it suddenly all came clear. Oh, I hate this moments, now I feel stupid :). Thank you very much. Salud, Abby